Editorial Note
Interesting results that show the effectiveness of Agdestis clematidea in the control of Subulina octona, the reproduction and pathogenicity of Meloidogyne incognita in chickpea and the tolerance of varieties of Phaseolus vulgaris to drought conditions, appear in the third number of 2019. Topics as varied as 2019. the morphometric relations of Acacia mangium, the response of rice to the application of manure, the popular knowledge of Mammea americana and Artocarpus altilis, the genus Simarouba Aubl. In Cuba, sulfur dioxide emissions and their influence on air quality can also be found in this number. A novel content to highlight is the energy efficiency of farming Buenaventura, short communication that closes the contents of this issue.
